Home / 126,914.30-190,432.20-84,814.55

Finding the Fourth Proportional to 126,914.30, 190,432.20 and 84,814.55

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Solution

The fourth proportional to 126,914.30, 190,432.20 and 84,814.55 is: 127,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,914.30 : 190,432.20 = 84,814.55 : x
  2. Step 2: Convert to fraction form
    126,914.30/190,432.20 = 84,814.55/x
  3. Step 3: Cross multiply
    126,914.30x = 190,432.20 × 84,814.55
  4. Step 4: Simplify right side
    126,914.30x = 16,151,421,348.51
  5. Step 5: Solve for x
    x = 16,151,421,348.51/126,914.30
  6. Step 6: Final answer
    x = 127,262.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.